What structure covers the glottic opening when swallowing?
  1. Esophagus
  2. Epiglottis
  3. Trachea
  4. None of the above
Explanation
Answer - B - The epiglottis covers the glottic opening when swallowing, thus material is directed into the esophagus. The epiglottis is a flap-like structure that allows inhaled air to gain access to the lungs during inhalation.
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